пять предложений с must и пять предложений с mustn't

1.People must take care of nature2.We must bulid this house by autumn3.He must be on his way here4.I must do my homework5.We must wear our school uniform1.You mustn`t be late for class2.She mustn`t forget her books3.You mustn`t shout in the library4.We mustn’t run in school. 5.You mustn`t use computer for more than 6 hours straight.